Archived posting to the Leica Users Group, 2001/05/07

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Subject: [Leica] Diffraction (WAS: Which Ultra-Wide, Heliar 15mm or Heliar 12mm)
From: "Dan Honemann" <ddh@home.com>
Date: Mon, 7 May 2001 16:12:16 -0400
 
Henning Wulff wrote, amongst a barrage of informative remarks:

> I'm going to look at this some more, but at present there seem to be
> too many factors involved for me to see anything definitive.

Well, definitive or not, it's been a fascinating discussion.  Thanks for
taking the time to write these posts.

> Meanwhile, I'll shoot as I usually do; I don't stop down more than
> necessary, but 'necessary' is quite flexible. So I'll just shoot, and
> if I need an exposure of f/16 with the 12 on an M6, so be it. Maybe
> next time I'll have the Hexar with me.

LOVE that 1/4000s shutter speed; it's a match made for Leica glass.

Dan